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Author SHA1 Message Date
Virgil Dupras
6eaabb9bbe forth: make word name of variable length 
This allows us to save a whole 500 bytes on the final binary size!

This change comes after I took a look at the hex dump and saw that one letter
constants in z80a.fs took a lot of space.
 2020-03-26 10:53:33 -04:00
Virgil Dupras
52e6eaafc7 forth: Forth-ify "/MOD" 2020-03-25 22:51:23 -04:00
Virgil Dupras
61bb22e8c9 forth: straighten out "/MOD" 
The removal of the "divide" routine highlighted the fact that
nativeWord wasn't properly stabilized.
 2020-03-25 21:49:09 -04:00
Virgil Dupras
c2d8fc845d forth: bring ." and ABORT" down to core.fs level 2020-03-25 20:39:07 -04:00
Virgil Dupras
3e934a2a3b forth: fix name conflict with "H" in core and z80a 2020-03-25 20:13:33 -04:00
Virgil Dupras
77ecbc4918 forth: Forth-ify "'" and "[']" 2020-03-25 20:06:06 -04:00
Virgil Dupras
6d8edeec63 forth: Forth-ify "C!" and "C@" 2020-03-25 17:52:51 -04:00
Virgil Dupras
66412a1c30 forth: Forth-ify "XOR" 2020-03-25 17:24:46 -04:00
Virgil Dupras
1871f7cdb4 forth: Forth-ify "OR" 2020-03-25 17:19:47 -04:00
Virgil Dupras
eb6a07a162 forth: Forth-ify "PC@" 2020-03-25 17:13:10 -04:00
Virgil Dupras
7beac94b5a forth: Forth-ify "PC!" 2020-03-25 17:07:15 -04:00
Virgil Dupras
04a6784de4 forth: Forth-ify "(sysv)" 2020-03-25 08:39:44 -04:00
Virgil Dupras
3a08fa7e74 forth: add a stable ABI 2020-03-24 23:02:06 -04:00
Virgil Dupras
f0ab57c8cc forth: Forth-ify "AND" 2020-03-24 22:09:52 -04:00
Virgil Dupras
6c5f39806b forth: improve bootstrap process 2020-03-24 21:13:02 -04:00
Virgil Dupras
d6516e2122 forth: Forth-ify "2*" stack management words 2020-03-24 14:44:10 -04:00
Virgil Dupras
67c55b0b2f forth: Forth-ify ROT, a native word! 
This requires us to significantly adjust our build process, which
now has 3 stages.
 2020-03-24 13:46:05 -04:00
Virgil Dupras
ca7c21d49f forth: make "(entry)" call WORD itself 
Otherwise, when a defining word would be called outside a definition
itself, it would get the name of the last parsed word, that is,
itself!

For example, dummy.fs, instead of creating a "_______" entry, created
a "(entry)" entry...
 2020-03-22 22:27:54 -04:00
Virgil Dupras
5387e08437 forth: make bin staging process a bit less hackish 
The goal being to add a new native code dict staging phase.
 2020-03-22 21:46:43 -04:00
Virgil Dupras
ffe61a12f8 forth: make prev word field relative 
This should help with upcoming challenges in bootstrapping z80 code
compiled through Forth.
 2020-03-22 17:41:59 -04:00
Virgil Dupras
00de336976 forth: add "CODE"!!! 2020-03-22 12:08:50 -04:00
Virgil Dupras
46833f3819 forth: Forth-ify "LIT", "LITS", "LIT<" 2020-03-22 11:56:40 -04:00
Virgil Dupras
54fd5fbb2b forth: Forth-ify "CREATE" 2020-03-22 11:49:09 -04:00
Virgil Dupras
1e886f5f34 forth: add word "ROUTINE" 2020-03-22 11:25:39 -04:00
Virgil Dupras
33e47d4938 forth: begin z80 assembler 2020-03-21 21:23:13 -04:00
Virgil Dupras
d5b6659507 forth: forgot to commit high.fs... 2020-03-21 21:22:07 -04:00
Virgil Dupras
ac914c3847 forth: consolidation 2020-03-21 18:40:30 -04:00
Virgil Dupras
f4b969986d forth: Forth-ify "."" 2020-03-21 17:21:01 -04:00
Virgil Dupras
def4ebd7ea forth: add word "LITS" 2020-03-21 16:31:53 -04:00
Virgil Dupras
145fdd8e05 forth: rename "LITS" to "LIT<" 2020-03-21 16:27:21 -04:00
Virgil Dupras
4627e1c977 forth: Forth-ify "ABORT"" 2020-03-21 16:17:51 -04:00
Virgil Dupras
6487c713ef forth: fix prompt in QUIT conditions 2020-03-21 15:22:37 -04:00
Virgil Dupras
9791c0957d forth: make readline skip prompt when appropriate 2020-03-21 14:59:12 -04:00
Virgil Dupras
b47a3ee234 forth: add words "AND", "OR", "XOR" 2020-03-21 14:47:38 -04:00
Virgil Dupras
c1ece95089 forth: implement readline in Forth 
The commit ended up being much bigger than anticipated. This was a long thread
of underlying complexities. This lead to the creation of interesting concepts
such as (sysv).
 2020-03-21 12:57:49 -04:00
Virgil Dupras
2feb246334 forth: give WORD its own buffer 
You'll soon see where I'm going with this...
 2020-03-19 21:56:53 -04:00
Virgil Dupras
61abafbc1a forth: a little housekeeping 2020-03-19 21:45:27 -04:00
Virgil Dupras
abb84b01db forth: Word-ify "readword" 2020-03-19 21:40:35 -04:00
Virgil Dupras
5458a1f7ff forth: a little housekeeping 2020-03-19 17:39:44 -04:00
Virgil Dupras
cf95bbcace forth: inline kernel/stdio 2020-03-19 17:26:45 -04:00
Virgil Dupras
6134694513 forth: put all ASM code in the same file 2020-03-19 17:01:15 -04:00
Virgil Dupras
f420db135d forth: a little house cleaning 2020-03-19 16:36:54 -04:00
Virgil Dupras
af5a97243a forth: implement "0b" number parsing 2020-03-19 16:03:35 -04:00
Virgil Dupras
f0cbda1f2e tests: add Forth tests 
Modest first step
 2020-03-19 15:43:48 -04:00
Virgil Dupras
b335e538b4 Move "forth" folder to project's root folder 
It's not really an App.
 2020-03-18 22:25:44 -04:00
Virgil Dupras
ae6334906c forth: inline kernel's core and str units 2020-03-18 22:18:07 -04:00
Virgil Dupras
548facac0b forth: Implement "(parseh)" 2020-03-18 21:52:55 -04:00
Virgil Dupras
d874f20278 forth: Add "DO" and "LOOP" 
Also, un-IMMEDIATE "LITN" it didn't make any sense.
 2020-03-18 20:04:44 -04:00
Virgil Dupras
587d1d0d69 forth: add word "UNTIL" 2020-03-18 16:39:22 -04:00
Virgil Dupras
1df9c4fc1b forth: split forth source into multiple files 2020-03-17 21:44:32 -04:00